You use ~ to describe something which is in the form of a gas, rather than a solid or liquid.
Freon exists both in liquid and ~ states.
ADJ: usu ADJ n
You use ~ to describe something which is in the form of a gas, rather than a solid or liquid.
Freon exists both in liquid and ~ states.
ADJ: usu ADJ n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012